Asphalt heating device for asphalt pavement construction
By designing an asphalt heating device with multiple sets of heating blocks and scrapers, the problem of uneven heating in the prior art is solved, and uniform heating of asphalt and improvement of construction quality are achieved.
Patent Information
- Application Number
- CN202421243934.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The existing asphalt heating device is unevenly heated, resulting in poor heating effect during asphalt pavement construction.
A bitumen heating device is designed, adopting a combined structure of multiple sets of heating blocks and scrapers. The gear system is driven by the motor to rotate the heating blocks and scrapers, achieving uniform heating of the asphalt and preventing accumulation.
Through the design of this device, uniform heating of asphalt can be achieved, the problem of uneven heating is avoided, and the quality of asphalt pavement construction is improved.
Smart Images

Figure CN222594506U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of asphalt heating devices for asphalt pavement construction, in particular to an asphalt heating device for asphalt pavement construction. Background Art
[0002] Asphalt is a dark brown complex mixture composed of hydrocarbons of different molecular weights and their non-metallic derivatives. It is a kind of high-viscosity organic liquid. It mostly exists in the form of liquid or semi-solid petroleum. It has a black surface and is soluble in carbon disulfide and carbon tetrachloride.
[0003] In the prior art, asphalt needs to be heated during asphalt pavement construction, but most of the existing asphalt heating devices are overall heating, and the heat energy is mainly concentrated in one area, resulting in uneven heating.
[0004] Therefore, we provide an asphalt heating device for asphalt pavement construction to solve the problem of uneven heating in existing asphalt heating devices. Utility Model Content
[0005] The purpose of the utility model is to provide an asphalt heating device for asphalt pavement construction to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a heating tank, a motor is arranged in the middle of the top of the heating tank, the bottom of the motor is connected to the first rotating shaft, the first rotating shaft is inserted into a transmission groove opened at the top of the heating tank, a first gear is arranged at the bottom of the first rotating shaft, two groups of second gears are arranged around the first gear, and the bottom of the second gear is connected to the second rotating shaft.
[0007] Preferably, supporting feet are provided on the bottom of the four sides of the heating tank to support the heating tank. A feed port is provided on the side of the top end of the heating tank, and the feed port is communicated with the heating tank. Asphalt enters the heating tank from the feed port. A discharge port is provided in the middle of the bottom of the heating tank, and the heated asphalt flows out from the discharge port.
[0008] Preferably, the motor can drive the first gear to rotate in the transmission groove through the first rotating shaft, so that the first gear is engaged with the second gear, and drives the second rotating shaft connected to the bottom of the second gear to rotate together.
[0009] Preferably, heating blocks are arranged around the part of the second rotating shaft inside the heating tank, the heating blocks on the two groups of second rotating shafts have the same length and are staggered with each other, and heating wires are arranged inside the heating blocks, and the heating blocks can heat the asphalt in the heating tank through the heating wires.
[0010] Preferably, a scraper is provided on the outside of the heating block, and the scraper is closely disposed on the inner wall of the heating tank, so that the scraper can scrape off the asphalt adhered to the inner wall of the heating tank.
[0011] Preferably, a groove is provided on the inner side of the heating block, and the scrapers on the outer side of another group of heating blocks pass through the groove, so that the scrapers will not hinder the rotation of the heating block.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The utility model proposes an asphalt heating device for asphalt pavement construction. When heating the asphalt, the asphalt is first poured into the heating tank through the feed port, and then the motor starts to drive the first gear arranged inside the transmission groove at the end of the first rotating shaft to rotate through the first rotating shaft, so that the first gear is meshed with two groups of second gears around the first gear, so that the second gear drives the second rotating shaft connected to the bottom to rotate together, and multiple groups of heating blocks are arranged on the second rotating shaft. By rotating the heating blocks, the asphalt inside the heating tank is evenly heated through the heating wires arranged inside, so as to prevent uneven heating of the asphalt. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;
[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the transmission groove of the utility model;
[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the heating block of the utility model.
[0018] In the figure: heating tank 1, support foot 2, feed port 3, discharge port 4, motor 5, transmission slot 6, first rotating shaft 7, first gear 8, second gear 9, second rotating shaft 10, heating block 11, groove 12,
[0019] Scraper 13, heating wire 14. DETAILED DESCRIPTION
[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] Embodiment 1
[0022] See also Figure 1-Figure 4 The utility model provides a technical solution: a heating tank 1, a motor 5 is arranged in the middle of the top of the heating tank 1, the bottom of the motor 5 is connected to the first rotating shaft 7, the first rotating shaft 7 is inserted into the transmission groove 6 opened at the top of the heating tank 1, a first gear 8 is arranged at the bottom of the first rotating shaft 7, two groups of second gears 9 are arranged around the first gear 8, and the bottom of the second gear 9 is connected to the second rotating shaft 10; the motor 5 starts to drive the first gear 8 arranged at the end of the first rotating shaft 7 inside the transmission groove 6 to rotate through the first rotating shaft 7.
[0023] Embodiment 2
[0024] On the basis of Example 1, supporting feet 2 are provided on the bottom of the four sides of the heating tank 1 to support the heating tank 1. A feed port 3 is provided on the side of the top end of the heating tank 1, and the feed port 3 is communicated with the heating tank 1. The asphalt enters the heating tank 1 from the feed port 3. A discharge port 4 is provided in the middle of the bottom of the heating tank 1, and the heated asphalt flows out from the discharge port 4; the motor 5 can drive the first gear 8 to rotate in the transmission groove 6 through the first rotating shaft 7, so that the first gear 8 is meshed with the second gear 9, and drives the second rotating shaft 10 connected to the bottom of the second gear 9 to rotate together; the first gear 8 is meshed with the two groups of second gears 9 around the first gear 8, so that the second gear 9 drives the second rotating shaft 10 connected to the bottom to rotate together.
[0025] Embodiment 3
[0026] On the basis of the second embodiment, heating blocks 11 are arranged around the part of the second rotating shaft 10 inside the heating tank 1. The heating blocks 11 on the two groups of second rotating shafts 10 have the same length and are staggered with each other. A heating wire 14 is arranged inside the heating block 11, and the heating block 11 can heat the asphalt in the heating tank 1 through the heating wire 14; a scraper 13 is arranged on the outside of the heating block 11, and the scraper 13 is closely arranged on the inner wall of the heating tank 1, and the scraper 13 can scrape off the asphalt stuck on the inner wall of the heating tank 1; a groove 12 is arranged on the inside of the heating block 11, and the scraper 13 on the outside of the other group of heating blocks 11 passes through the groove 12, so that the scraper 13 will not hinder the rotation of the heating block 11; a groove 12 is also opened on the inside of the heating block 11, and the scraper 13 can pass through the groove 12 to prevent the scraper 13 from blocking the rotation of the heating block 11.
[0027] In actual use, when heating the asphalt, first pour the asphalt into the heating tank 1 through the feed port 3, and then the motor 5 starts to drive the first gear 8 set inside the transmission groove 6 at the end of the first rotating shaft 7 to rotate through the first rotating shaft 7, so that the first gear 8 is meshed with the two groups of second gears 9 around the first gear 8, so that the second gear 9 drives the second rotating shaft 10 connected at the bottom to rotate together, and multiple groups of heating blocks 11 are arranged on the second rotating shaft 10. By rotating the heating blocks 11, the asphalt inside the heating tank 1 is evenly heated through the heating wires 14 arranged inside, so as to prevent uneven heating of the asphalt; the heating blocks 11 on the two groups of second rotating shafts 10 The heating blocks 11 on the two groups of second rotating shafts 10 are staggered with each other. The asphalt stuck on the top surface of the heating block 11 can be scraped off to prevent the asphalt from accumulating on the top surface of the heating block 11. The heating block 11 drives the scraper 13 on the outside of the heating block 11 close to the inner wall of the heating tank 1 to rotate together while rotating. The scraper 13 scrapes off the asphalt stuck on the inner wall of the heating tank 1 by rotating. Grooves 12 are provided on the inner sides of the two groups of heating blocks 11 at the same time. The scraper 13 can pass through the grooves 12 to prevent the scraper 13 from blocking the rotation of the heating block 11. Finally, the heated asphalt flows out from the discharge port 4 set in the middle of the bottom of the heating tank 1.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An asphalt heating device for asphalt pavement construction, characterized in that: The asphalt heating device for asphalt pavement construction comprises: a heating tank (1), a motor (5) is arranged at the middle of the top of the heating tank (1), the bottom of the motor (5) is connected to a first rotating shaft (7), the first rotating shaft (7) is inserted into a transmission groove (6) provided at the top of the heating tank (1), a first gear (8) is arranged at the bottom of the first rotating shaft (7), two groups of second gears (9) are arranged around the first gear (8), and the bottom of the second gear (9) is connected to a second rotating shaft (10).
2. The asphalt heating device for asphalt pavement construction according to claim 1 is characterized in that: The bottom of the heating tank (1) is provided with supporting legs (2), the supporting legs (2) supporting the heating tank (1), a feed port (3) is provided on the side of the top end of the heating tank (1), the feed port (3) is communicated with the heating tank (1), asphalt enters the heating tank (1) from the feed port (3), and a discharge port (4) is provided in the middle of the bottom of the heating tank (1), and the heated asphalt flows out from the discharge port (4).
3. The asphalt heating device for asphalt pavement construction according to claim 2 is characterized in that: The motor (5) can drive the first gear (8) to rotate in the transmission groove (6) through the first rotating shaft (7), so that the first gear (8) is meshed with the second gear (9), and the second rotating shaft (10) connected to the bottom of the second gear (9) is driven to rotate together.
4. The asphalt heating device for asphalt pavement construction according to claim 3 is characterized in that: Heating blocks (11) are arranged around the portion of the second rotating shaft (10) inside the heating tank (1); the heating blocks (11) on the two groups of second rotating shafts (10) are of the same length and are staggered with each other; heating wires (14) are arranged inside the heating blocks (11); the heating blocks (11) can heat the asphalt in the heating tank (1) through the heating wires (14).
5. The asphalt heating device for asphalt pavement construction according to claim 4 is characterized in that: A scraper (13) is arranged on the outside of the heating block (11), and the scraper (13) is arranged closely against the inner wall of the heating tank (1). The scraper (13) can scrape off the asphalt adhered to the inner wall of the heating tank (1).
6. The asphalt heating device for asphalt pavement construction according to claim 5, characterized in that: A groove (12) is provided on the inner side of the heating block (11), and a scraper (13) on the outer side of another group of heating blocks (11) passes through the groove (12), so that the scraper (13) will not hinder the rotation of the heating block (11).